[Investigation on the spontaneous passage of ureteral stone].
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D002648:Child; D005260:Female; D006801:Humans; D007564:Japan; D008297:Male; D008875:Middle Aged; D012737:Sex Factors; D014514:Ureteral Calculi / Q000453:epidemiology*